Blue Lace Agate Gemstone & Information | Gemopedia by JTV | Gemopedia™

Blue Lace Agate

Blue lace agate comes from the Republic of Namibia and Kenya and is known for its powder blue coloring and white parallel wavy bands that resemble lace.

Colors

Blue, White

  • Blue-lace-agate classification

    CommonName
    Blue Lace Agate
    Species
    Quartz
    Variety
    Chalcedony
    Colors
    Blue, White
    AlternateNames
    GemstoneGroups
    KeySeparations
    RI, SG, appearance and fracture
    ClassificationComments
  • Blue-lace-agate chemistry & crystallography

    ChemicalName
    silicon dioxide (aka silica)
    ChemicalFormula
    SiO2
    Synthesis
    CrystalSystem
    Trigonal
    ChemistryClassification
    Silicate
    Nature
    Natural
    Crystallinity
    Polycrystalline
    ChemistryComments
  • Blue-lace-agate optical properties

    Transparency
    Semitransparent - Semitranslucent
    Dispersion
    Strength: none
    OpticalComments
    RefractiveIndex
    1.535-1.539
    Birefringence
    0.004-0.004
    OpticCharacter
    Uniaxial
    OpticSign
    Positive
    PolariscopeReaction
    Aggregate (AGG)
    Fluorescence
    SWUV: Inert
    LWUV: Inert
    CCFReaction
    Pleochroism
    None
  • Blue-lace-agate characteristic physical properties

    Hardness
    6.5-7
    CharacteristicComments
    Streak
    SpecificGravity
    2.55-2.7 Typical:2.6
    Toughness
    Excellent
    Inclusions
    Blue lace agate is a distinctive blue and white alternating banded material.
    Luster
    Vitreous
    Stability
    Good
    Fracture
    Conchoidal Granular
    Cleavage
    None